JP2004156325A - Column - Google Patents

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JP2004156325A
JP2004156325A JP2002323532A JP2002323532A JP2004156325A JP 2004156325 A JP2004156325 A JP 2004156325A JP 2002323532 A JP2002323532 A JP 2002323532A JP 2002323532 A JP2002323532 A JP 2002323532A JP 2004156325 A JP2004156325 A JP 2004156325A
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JP
Japan
Prior art keywords
pedestal
pressing
pressing member
hole
pressing plate
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JP2002323532A
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Japanese (ja)
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JP3944055B2 (en
Inventor
Yukimi Manabe
幸美 真部
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Sugatsune Kogyo Co Ltd
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Sugatsune Kogyo Co Ltd
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Priority to JP2002323532A priority Critical patent/JP3944055B2/en
Publication of JP2004156325A publication Critical patent/JP2004156325A/en
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Publication of JP3944055B2 publication Critical patent/JP3944055B2/en
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Abstract

<P>PROBLEM TO BE SOLVED: To prevent a column body from rotating relative to a pedestal. <P>SOLUTION: An installation hole 25 for vertically penetrating a center is formed in the center of the pedestal 2. The installation hole 25 is formed so that a shape forms a rectangular shape when viewed from the vertical direction. A support plate 31 is fixed to the lower end inner peripheral surface of the column body 3. A fitting part 32 is fixed to the under surface center of the support plate 31. The fitting part 32 is formed so that a shape becomes substantially same as the installation hole 25 when viewed from the vertical direction. The column body 3 is nonrotatably connected to the pedestal 2 by fitting the fitting part 32 to the installation hole 25. <P>COPYRIGHT: (C)2004,JPO

Description

【0001】
【発明の属する技術分野】
この発明は、例えば上端部にベルトリールパーティション、広告又は標識等が取り付けられる支柱に関する。
【0002】
【従来の技術】
一般に、この種の支柱は、円板状をなす台座と、この台座の上面に立設固定された支柱本体とを有しており、台座にはこれを上下に貫通する貫通孔が形成されている。一方、支柱の下端面中央部には、下方に延びる雄ねじ部が設けられている。雄ねじ部は、貫通孔を下方に向かって貫通しており、台座から下方に突出した雄ねじ部の下端部にはナットが螺合されている。そして、このナットを締め付けることにより、支柱本体の下端面が台座の上面に押し付けられ、ひいては支柱本体が台座の上面に固定されている(例えば、特許文献1参照。)。
【0003】
【特許文献1】
実開平7−10017号公報(図1)
【0004】
【発明が解決しようとする課題】
上記従来の支柱においては、ナットが僅かでも緩むと支柱本体が台座に対して回動してしまうという問題があった。
【0005】
【課題を解決するための手段】
この発明は、上記の問題を解決するためになされたもので、台座と、この台座の上面に立設固定された支柱本体とを備えた支柱において、上記台座にこれを上下に貫通する断面非円形の取付孔が形成され、上記支柱本体の下端部に上記取付孔の上部に回動不能に嵌合する嵌合部が形成され、この嵌合部の下側に押圧部材が回動可能に、かつ上下方向へ移動可能に設けられ、上記嵌合部と上記押圧部材との間に、上記押圧部材を上記台座の下面に押し付け、それによって上記支柱本体の下端面を上記台座の上面に押し付けて上記支柱本体を上記台座の上面に押圧固定する押圧固定手段が設けられ、上記押圧部材が、第1の位置に回動させられたときには上記取付孔に挿通可能で、第2の位置に回動させられたときには上記取付孔に挿通不能であり、上記押圧固定手段が上記第2の位置に位置している上記押圧部材を上記台座の下面に押し付けることを特徴としている。
この場合、上記押圧固定手段が、上記支柱本体の下端部に軸線を上下方向に向けて形成されたねじ孔と、上記押圧部材を回動可能に、かつ上下方向へ移動可能に貫通して上記ねじ孔にその下端部から螺合された雄ねじ部材とを有し、上記雄ねじ部材を上記ねじ孔に上方へ向かってねじ込むと、上記雄ねじ部材の頭部が上記押圧部材を上記台座の下面に押し付けるように構成することが望ましい。
上記ねじ孔から上方へ突出した上記雄ねじ部材の上端部には、上記ねじ孔を通り抜け不能であるストッパ部を設けることが望ましい。
上記押圧固定手段が、上記押圧部材を上記嵌合部に対して回動可能に、かつ上下方向へ移動可能に連結する連結軸と、上記押圧部材を上記連結軸を介して上方へ付勢して上記台座の下面に押し付ける付勢手段とを有していることが望ましい。
上記支柱本体の下端部には、上下方向に延びる挿通孔が形成され、上記連結軸が上記挿通孔に上下方向へ移動可能に挿通され、上記挿通孔から上方に突出した上記連結軸の上端部に上記挿通孔を通り抜け不能であるストッパ部が設けられていることが望ましい。
上記台座の下面には、上記押圧部材を上記第2の回動位置に回動不能に係止する係止部を設けることが望ましい。上記係止部は、上記押圧部材が回動不能に嵌合する係止凹部であることが望ましい。
【0006】
【発明の実施の形態】
以下、この発明の実施の形態について図1〜図11を参照して説明する。
図1〜図6は、この発明の第1実施の形態を示す。この実施の形態は、この発明をベルトリールパーティション用の支柱1に適用したものである。図1に示すように、支柱1は、台座2と、この台座2の上面に立設固定された支柱本体3とを備えている。支柱本体3の上端部にはベルトリール部Bが着脱可能に取り付けられている。支柱本体3には、ベルトリール部B以外のもの、例えば標識、広告等を取り付けてもよい。なお、ベルトリール部Bは、周知のものであるのでその説明は省略する。
【0007】
台座2は、図1、図2及び図4に示すように、全体として円板状をなしており、鉄等の金属平板からなる円形の基板21を有している。この基板21の上面には、ステンレス鋼等の薄板からなる化粧板22が固定されている。化粧板22は基板21より大径に形成されており、基板21の外周から外側に突出した周縁部には、断面半円状をなす遮蔽部22aが全周にわたって形成されている。化粧板22によって基板21の外面が外部から目視されないように遮蔽され、それによって美感の向上が図られている。基板21の下面の外周側には、硬質ゴム、その他の樹脂からなる複数の脚部23が周方向に等間隔に配置され、それぞれボルト24によって基板21の下面に固定されている。
【0008】
支柱本体3は、金属製の円筒状なしており、次のようにして台座2の上面(化粧板22の上面)に着脱可能に立設固定されている。すなわち、図2〜図4に示すように、台座2の中央部には、基板21及び化粧板22を上下に貫通する取付孔25が形成されている。この取付孔25は、断面形状(上下方向から見たときの形状)が非円形をなすように形成されている。この実施の形態では、取付孔25が断面長方形をなすように形成されているが、非円形であれば他の形状、例えば正方形、三角形、楕円形に形成してもよい。一方、支柱本体3の下端部内周面には、図3に示すように、支持板31が溶接等によって固定されている。この支持板31の下面中央部には、嵌合部32が溶接等によって固定されている。この嵌合部32は、下方から見たときの形状、寸法が取付孔25の断面形状及び寸法とほぼ同一になっており、その下端部は支柱本体3の下端面から下方に突出している。そして、支柱本体3から下方に突出した嵌合部32の下端部が取付孔25に嵌合することにより、支柱本体3が台座2に対して回動不能に連結されている。なお、嵌合部32の支柱本体3からの下方への突出量は、取付孔25の長さより短くなっている。したがって、嵌合部32は、支柱本体3の下端面が台座2の上面に突き当たった状態においても取付孔25の上端部に嵌合するだけであり、取付孔25から下方へ突出することはない。
【0009】
支柱本体3は、押圧固定手段4によって台座2に着脱可能に固定されている。すなわち、嵌合部32には、その上部に収容空間32aが形成されるとともに、その下部に収容空間32aを区画する下面32bから嵌合部32の下面まで延びるねじ孔32cが形成されている。収容空間32aは、上下方向にみたときの寸法がねじ孔32cより大きくなっており、収容空間32aの中央部にねじ孔32cが開口している。収容空間32aの上端開口部は、支持板31によって閉じられている。一方、ねじ孔32cは、その軸線を支柱本体3の軸線と一致させて形成されている。
【0010】
ねじ孔32cには、雄ねじ部材5の脚部51が螺合されている。脚部51の上端部は、収容空間32a内に突出しており、そこにはリング状をなすストッパリング(ストッパ部)52が固定されている。ストッパリング52は、ねじ孔32cを通り抜け不能であり、嵌合部32を支持板31に固定する前に脚部51の上端部に予め固定されている。ストッパリング52が脚部51の上端部に固定されることにより、脚部51がねじ孔32cから下方へ抜け出ることが阻止されている。
【0011】
嵌合部32の下面と雄ねじ部材5の頭部53との間の脚部51には、押圧板(押圧部材)6が回動可能に、かつ上下方向へ移動可能に外挿されている。押圧板6は、上下方向からみたときの形状、寸法が嵌合部32と同一になっている。しかも、押圧板6は、その中央部が脚部51によって貫通されている。したがって、押圧板6の長手方向を嵌合部32の長手方向と同一方向に向けると、押圧板6と嵌合部32とを上下方向に見たとき、両者の輪郭が一致する。このときの押圧板6の位置が第1の位置である。この第1の位置から90°回動させたときの押圧板6の位置が第2の位置である。押圧板6が第2の位置に位置すると、押圧板6の長手方向の両端部が嵌合部32の短手方向の両側部から突出し、取付孔25の両側に位置する基板21の下面と対向する。したがって、押圧板6を第2の位置に位置させた状態で雄ねじ部材5を一方向に回動させてその脚部51をねじ孔32cに上方へ向かってねじ込むと、押圧板6が雄ねじ部材5の頭部53によって上方へ移動させられ、押圧板6の長手方向の両端部が取付孔25の両側に位置する基板21の下面に押し付けられる。押圧板6の押し付け反力によって、支柱本体3の下面が台座2の上面に押し付けられる。これにより、支柱本体3が台座2の上面に立設固定されている。なお、押圧板6が基板21に押し付けられたとき、頭部53の下端は、脚部23の下端面より上方に位置している。また、押圧板6は、雄ねじ部材5の脚部51をねじ孔32cにねじ込む前に脚部51に予め外挿されている。
【0012】
支柱本体3を台座2に固定する場合には、図6に示すように、押圧板6を、その回動方向の位置に関しては第1の位置に位置させ、上下方向の位置に関しては支柱本体3の下端面と押圧板6の上面との間の距離Lが台座2の基板21及び化粧板22の合計厚さTより大きくなるように予め位置させておく。そして、押圧板6(及び嵌合部32)を取付孔25に対して同一姿勢になるように位置合わせする。その後、支柱本体3を台座2に対して相対的に接近移動させ、押圧板6を取付孔25に挿入する。支柱本体3の下端面が台座2の上面に突き当たるまで支柱本体3を台座2に対して接近移動させると、嵌合部32の下端部が取付孔25の上端部に嵌合する。これによって、支柱本体3が台座2に回動不能に連結される。しかも、支柱本体3の下端面が台座2の上面に突き当たった時には、押圧板6が距離(L−T)の分だけ取付孔25から下方に突出している。したがって、押圧板6を第1の位置から第2の位置へ直ちに回動させることができる。押圧板6を第2の位置に回動させたら、雄ねじ部材5を一方向へ回動させることにより、押圧板6を基板21の下面に押し付ける。この場合、雄ねじ部材5は、距離(L−T)に相当する分だけ回動させればよく、雄ねじ部材5の回動量を少なくすることができる。押圧板6を基板21の下面に押し付けることにより、支柱本体3が台座2に立設固定される。
【0013】
支柱本体3を台座2から取り外す場合には、雄ねじ部材5を他方向へ回動させて緩める。この場合、雄ねじ部材5は、押圧板6を回動させることができるようになるまで僅かに回動させるだけでよい。雄ねじ部材5を緩めたら、押圧板6を第2の位置から第1の位置まで回動させる。すると、押圧板6の姿勢が取付孔25と一致するので、押圧板6が取付孔25に挿通可能になる。そこで、支柱本体3を台座2から離間するように相対移動させ、嵌合部32及び押圧板6を取付孔25から順次抜き出す。これによって、支柱本体3を台座2から取り外すことができる。支柱本体3を台座2から取り外すことにより、それらを保管又は搬送する際には、支柱本体3を台座2に取り付けた状態で保管又は搬送する場合に比して、占有空間を小さくすることができる。しかも、雄ねじ部材5がストッパリング52によってねじ孔32cから抜け止めされているので、雄ねじ部材5及び押圧板6が支柱本体3から外れて紛失するような事態を未然に防止することができる。
【0014】
上記構成の支柱1においては、嵌合部32が取付孔25に回動不能に嵌合しているので、雄ねじ部材5が若干緩んだとしても、支柱本体3が台座2に対して回動するのを確実に防止することができる。
【0015】
次に、この発明の他の実施の形態について説明する。なお、以下の実施の形態においては、上記の実施の形態と異なる構成についてのみ説明することとし、同様な構成部分には同一符号を付してその説明を省略する。
【0016】
図7及び図8は、この発明の第2実施の形態を示す。この実施の形態においては、基板21の下面に、取付孔25と直交する係止凹部26が形成されている。この係止凹部26は、下方から見た形状が押圧板6とほぼ同一の形状をなすように形成されている。しかも、係止凹部26は、押圧板6を第2の位置に回動させると、係止凹部26に嵌り込むことができるように配置されている。したがって、支柱本体3を台座2に固定する場合には、前述した実施の形態と同様にして、押圧板6を取付孔25に挿通するとともに、嵌合部32の下端部を取付孔25の上端部に嵌合させた後、雄ねじ部材5をねじ孔32cに上方へ向かってねじ込み、その頭部53によって押圧板6を上方へ移動させる。すると、押圧板6が係止凹部26に入り込む。雄ねじ部材5を距離(L−T)と係止凹部26の深さとの合計長さの分だけねじ込むと、押圧板6が係止凹部26の底面に突き当たる。この結果、支柱本体3の下端面が台座2の上面に押し付けられ、支柱本体3が台座2に立設固定される。
【0017】
上記構成の第2の実施の形態においては、仮に雄ねじ部材5が若干緩んだとしても、押圧板6は、第1の位置への回動が係止凹部26によって確実に阻止され、第2の位置に維持される。したがって、仮に雄ねじ部材5が緩んだとしても、押圧板6が取付孔25から抜け出るのを確実に防止することができ、それによって支柱本体3が倒れるのを未然に防止することができる。
【0018】
図9は、この発明の第3実施の形態を示す。この実施の形態においては、上記の実施の形態における押圧固定手段4に代えて押圧固定手段4′が用いられている。すなわち、嵌合部32には、ねじ孔32cに代えて、ねじが形成されていない単なる孔としての挿通孔32dが形成されている。この挿通孔32dには、雄ねじ部材5に代わる連結軸5′の軸部54が上下方向へ移動可能に挿通されている。軸部54の上端部には、軸部54が挿通孔32dから下方へ抜け出るのを阻止するためのストッパリング(ストッパ部)55が固定されている。このストッパリング55と収容空間32aを区画する下面32bとの間には、連結軸5′をストッパリング55を介して上方へ付勢するコイルばね(付勢手段)7が設けられている。挿通孔32dから下方に突出した軸部54には、押圧板6の中央部が外挿されている。押圧板6は、軸部54に対して回動可能、かつ上下方向へ移動可能になっているが、軸部54に固定してもよく、あるいは軸部54と一体に形成してもよい。ただし、そのようにする場合には、押圧板6を嵌合部32に対して回動可能にするために、軸部54を挿通孔32dに対して回動可能に嵌合する必要がある。軸部54の下端部には、頭部56が設けられている。この頭部56が押圧板6の下面に突き当たることにより、押圧板6がコイルばね7により連結軸5′を介して上方へ付勢され、係止凹部26の底面に押し付けられている。この結果、支柱本体3の下端面が台座2の上面に押し付けられ、支柱本体3が台座2に立設固定されている。
【0019】
第3実施の形態において、支柱本体3を台座2から取り外す場合には、連結軸5′をコイルばね7の付勢力に抗して下方へ移動させる。この場合、頭部56に形成された孔56aに引き下げ用の操作具(図示せず)の上端に形成されたフック部を引っ掛けることにより、連結軸5′を容易に下方へ移動させることができる。連結軸5′を下方へ移動させると、押圧板6が自重によって下方へ移動する。押圧板6が係止凹部26から下方へ抜け出たら、押圧板6を第2の位置から第1の位置まで回動させる。次に、連結軸5′をコイルばね7によって上方へ移動させる。連結軸5′は、その頭部56が嵌合部32の下面に突き当たるまで上方へ移動する。その後、支柱本体3を上方へ移動させて嵌合部32及び押圧板6を取付孔25から抜き出すことにより、支柱本体3を台座2から取り外すことができる。
【0020】
支柱本体3を台座2に取り付ける場合には、押圧板6を第1の位置に回動させ、コイルばね7の付勢力によって嵌合部32の下面に押圧接触させておく。そして、押圧板6及び嵌合部32を取付孔25にその上端開口部から順次挿入する。支柱本体3の下端面が台座2の上面に突き当たったら、操作具のフック部を孔56aに引っ掛けてを操作具を引き下げることにより、連結軸5′をコイルばね7の付勢力に抗して引き下げる。すると、連結軸5′の引き下げに伴って押圧板6がその自重によって下方へ移動する。押圧板6が基板21の下面より下側まで移動したら、押圧板6を第2の位置に回動させ、係止凹部26と対向させる。その後、連結軸5をコイルばね7によって上方へ移動させ、押圧板6を係止凹部26の底面に突き当てる。その結果、支柱本体3の下端面がコイルばね7の付勢力によって台座2の上面に突き当てられ、支柱本体3が台座2に固定される。
【0021】
図10は、この発明の第4実施の形態を示す。この実施の形態においては、雄ねじ部材5の頭部53と押圧板6との間にスプリング座金等の雄ねじ部材5の軸線方向に弾性を有する弾性部材8が設けられている。これにより、雄ねじ部材5が緩むことが防止されている。頭部53と押圧部材6との間に弾性部材8を設ける点は、第1、第2実施の形態にも適用するのが望ましい。
【0022】
図11は、この発明の第5実施の形態を示す。この実施の形態においては、嵌合部32にねじ孔32cに代えて挿通孔32dが形成されている。この挿通孔32dには、雄ねじ部材5の脚部51が下方から上方へ向かって貫通している。しかも、脚部51は、支持板31の中央部に軸線を上下方向に向けて形成されたねじ孔31aに螺合され、さらにねじ孔31aを貫通して上方へ突出している。ねじ孔31aから上方に突出した脚部51の上端部にはねじ孔31aを通り抜け不能であるストッパリング52が設けられている。
【0023】
なお、この発明は、上記の実施の形態に限定されるものでなく、適宜変更可能である。
例えば、上記の実施の形態においては、押圧板6の上下方向から見たときの形状を嵌合部32の形状と同一にしているが、押圧板6を第1の位置に回動させたときには、嵌合部32を、支柱本体3を回動させることなく押圧板6に続いて取付孔25に挿入することができ、かつ嵌合部32が取付孔25に嵌合した状態において押圧板6を第2の位置に回動させたときには押圧板6が取付孔25に対して挿通不能になるように構成する限り、押圧板6の上下方向に見たときの形状を嵌合部32と異なる形状にしてもよい。
【0024】
【発明の効果】
以上説明したように、この発明によれば、支柱本体が台座に対して回動してしまうような事態を確実に防止することができるという効果が得られる。
【図面の簡単な説明】
【図1】この発明の第1実施の形態を示す斜視図である。
【図2】同実施の形態の底面図である。
【図3】図2のX−X線に沿う拡大断面図である。
【図4】同実施の形態の台座を示す図2のY−Y線に沿う断面図である。
【図5】同実施の形態の支柱本体の下端部を示す斜視図である。
【図6】支柱及び台座を取り付ける前の状態で示す一部省略断面図である。
【図7】この発明の第2実施の形態を示す図3と同様の断面図である。
【図8】図7のX−X線に沿う断面図である。
【図9】この発明の第3実施の形態を示す図3と同様の断面図である。
【図10】この発明の第4実施の形態を示す図3と同様の断面図である。
【図11】この発明の第5実施の形態を示す図3と同様の断面図である。
【符号の説明】
1 支柱
2 台座
3 支柱本体
4 押圧固定手段
4′ 押圧固定手段
5 雄ねじ部材
5′ 連結軸
6 押圧板(押圧部材)
7 コイルばね(付勢手段)
25 取付孔
26 係止凹部(係止部)
31a ねじ孔
32 嵌合部
32c ねじ孔
32d 挿通孔
52 ストッパリング(ストッパ部)
55 ストッパリング(ストッパ部)
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a column to which, for example, a belt reel partition, an advertisement or a sign is attached at an upper end portion.
[0002]
[Prior art]
Generally, this type of column has a disk-shaped pedestal, and a column main body that is erected and fixed on the upper surface of the pedestal, and the pedestal is formed with a through hole that penetrates vertically. I have. On the other hand, a male screw portion extending downward is provided at the center of the lower end face of the support. The male screw portion penetrates the through hole downward, and a nut is screwed into a lower end portion of the male screw portion projecting downward from the pedestal. By tightening the nut, the lower end surface of the column main body is pressed against the upper surface of the pedestal, and the column main body is fixed to the upper surface of the pedestal (for example, see Patent Document 1).
[0003]
[Patent Document 1]
Japanese Utility Model Publication No. 7-10017 (FIG. 1)
[0004]
[Problems to be solved by the invention]
In the above-mentioned conventional column, there is a problem that the column main body is rotated with respect to the pedestal when the nut is slightly loosened.
[0005]
[Means for Solving the Problems]
The present invention has been made in order to solve the above-mentioned problem, and in a column including a pedestal and a column main body that is erected and fixed on the upper surface of the pedestal, a cross-section that penetrates the pedestal up and down vertically is provided. A circular mounting hole is formed, and a fitting portion that fits in a non-rotatable manner above the mounting hole is formed at a lower end portion of the support body, and a pressing member is rotatable below the fitting portion. And, provided so as to be movable in the vertical direction, between the fitting portion and the pressing member, presses the pressing member against the lower surface of the pedestal, thereby pressing the lower end surface of the support body to the upper surface of the pedestal. Pressing means for pressing and fixing the support body to the upper surface of the pedestal is provided, and when the pressing member is turned to the first position, the pressing member can be inserted into the mounting hole and can be turned to the second position. When it is moved, it cannot be inserted , The pressing member the pressing fixing means is positioned in said second position is characterized by pressing the lower surface of the pedestal.
In this case, the pressing and fixing means penetrates a screw hole formed in a lower end portion of the support body with an axis directed vertically, and penetrates the pressing member rotatably and movably in the vertical direction. A male screw member screwed into the screw hole from the lower end thereof, and when the male screw member is screwed upward into the screw hole, the head of the male screw member presses the pressing member against the lower surface of the pedestal. It is desirable to configure as follows.
It is desirable to provide a stopper that cannot pass through the screw hole at the upper end of the male screw member that protrudes upward from the screw hole.
The pressing and fixing means urges the pressing member upward through the connecting shaft, and a connecting shaft for connecting the pressing member rotatably to the fitting portion and movably in the vertical direction. It is desirable to have an urging means for pressing the lower surface of the pedestal.
An insertion hole extending vertically is formed at a lower end of the support body, and the connection shaft is inserted through the insertion hole so as to be movable in the vertical direction, and an upper end of the connection shaft protruding upward from the insertion hole. It is desirable that a stopper portion that cannot pass through the insertion hole be provided.
It is desirable to provide a locking portion on the lower surface of the pedestal for locking the pressing member at the second rotation position so as not to rotate. It is desirable that the locking portion is a locking recess into which the pressing member is fitted so as not to rotate.
[0006]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to FIGS.
1 to 6 show a first embodiment of the present invention. In this embodiment, the present invention is applied to a column 1 for a belt reel partition. As shown in FIG. 1, the column 1 includes a pedestal 2 and a column main body 3 erected and fixed on the upper surface of the pedestal 2. A belt reel section B is detachably attached to the upper end of the column body 3. Other than the belt reel portion B, for example, a sign, an advertisement, and the like may be attached to the support body 3. The description of the belt reel unit B is omitted because it is well known.
[0007]
As shown in FIGS. 1, 2 and 4, the pedestal 2 has a disk shape as a whole and has a circular substrate 21 made of a flat metal plate such as iron. On the upper surface of the substrate 21, a decorative plate 22 made of a thin plate such as stainless steel is fixed. The decorative plate 22 is formed to have a larger diameter than the substrate 21, and a shielding portion 22 a having a semicircular cross section is formed over the entire periphery at a peripheral portion protruding outward from the outer periphery of the substrate 21. The outer surface of the substrate 21 is shielded by the decorative plate 22 so as not to be viewed from the outside, thereby improving the beauty. A plurality of legs 23 made of hard rubber or other resin are arranged at equal intervals in the circumferential direction on the outer peripheral side of the lower surface of the substrate 21, and are fixed to the lower surface of the substrate 21 by bolts 24, respectively.
[0008]
The support body 3 is formed in a metal cylindrical shape, and is detachably mounted on the upper surface of the pedestal 2 (the upper surface of the decorative plate 22) as follows. That is, as shown in FIGS. 2 to 4, a mounting hole 25 is formed in the center of the pedestal 2 so as to vertically penetrate the substrate 21 and the decorative plate 22. The mounting hole 25 is formed such that its cross-sectional shape (shape when viewed from above and below) is non-circular. In this embodiment, the mounting hole 25 is formed to have a rectangular cross section. However, the mounting hole 25 may be formed in another shape, for example, a square, a triangle, or an ellipse as long as it is non-circular. On the other hand, as shown in FIG. 3, a support plate 31 is fixed to the inner peripheral surface of the lower end portion of the column body 3 by welding or the like. At the center of the lower surface of the support plate 31, a fitting portion 32 is fixed by welding or the like. The shape and size of the fitting portion 32 when viewed from below are substantially the same as the cross-sectional shape and size of the mounting hole 25, and the lower end protrudes downward from the lower end surface of the column body 3. The lower end of the fitting portion 32 projecting downward from the support body 3 fits into the mounting hole 25, so that the support body 3 is non-rotatably connected to the pedestal 2. In addition, the amount of protrusion of the fitting portion 32 downward from the column body 3 is shorter than the length of the mounting hole 25. Therefore, the fitting portion 32 only fits into the upper end portion of the mounting hole 25 even when the lower end surface of the column body 3 abuts against the upper surface of the pedestal 2, and does not protrude downward from the mounting hole 25. .
[0009]
The column body 3 is detachably fixed to the pedestal 2 by the pressing and fixing means 4. That is, the fitting portion 32 has an accommodation space 32 a formed at an upper portion thereof, and a screw hole 32 c extending from a lower surface 32 b defining the accommodation space 32 a to a lower surface of the fitting portion 32 at a lower portion thereof. The accommodation space 32a has a larger dimension when viewed in the up-down direction than the screw hole 32c, and a screw hole 32c is opened at the center of the accommodation space 32a. The upper end opening of the accommodation space 32 a is closed by the support plate 31. On the other hand, the screw hole 32 c is formed so that its axis coincides with the axis of the column body 3.
[0010]
The leg 51 of the male screw member 5 is screwed into the screw hole 32c. The upper end of the leg portion 51 projects into the accommodation space 32a, and a ring-shaped stopper ring (stopper portion) 52 is fixed thereto. The stopper ring 52 cannot pass through the screw hole 32 c and is fixed to the upper end of the leg 51 before fixing the fitting portion 32 to the support plate 31. By fixing the stopper ring 52 to the upper end of the leg 51, the leg 51 is prevented from falling out of the screw hole 32c downward.
[0011]
A pressing plate (pressing member) 6 is externally inserted into the leg 51 between the lower surface of the fitting portion 32 and the head 53 of the male screw member 5 so as to be rotatable and vertically movable. The pressing plate 6 has the same shape and dimensions as the fitting portion 32 when viewed from above and below. Moreover, the pressing plate 6 has its center portion penetrated by the leg portion 51. Therefore, when the longitudinal direction of the pressing plate 6 is oriented in the same direction as the longitudinal direction of the fitting portion 32, when the pressing plate 6 and the fitting portion 32 are viewed in the up-down direction, the contours of the two coincide. The position of the pressing plate 6 at this time is the first position. The position of the pressing plate 6 when rotated by 90 ° from the first position is the second position. When the pressing plate 6 is located at the second position, both ends in the longitudinal direction of the pressing plate 6 protrude from both sides in the short direction of the fitting portion 32 and face the lower surface of the substrate 21 located on both sides of the mounting hole 25. I do. Therefore, when the male screw member 5 is rotated in one direction and the leg portion 51 is screwed upward into the screw hole 32c in a state where the pressing plate 6 is located at the second position, the pressing plate 6 Is moved upward by the head 53, and both ends in the longitudinal direction of the pressing plate 6 are pressed against the lower surface of the substrate 21 located on both sides of the mounting hole 25. The lower surface of the column body 3 is pressed against the upper surface of the pedestal 2 by the pressing reaction force of the pressing plate 6. As a result, the column body 3 is erected and fixed on the upper surface of the base 2. When the pressing plate 6 is pressed against the substrate 21, the lower end of the head 53 is located above the lower end surface of the leg 23. The pressing plate 6 is externally inserted into the leg portion 51 before screwing the leg portion 51 of the male screw member 5 into the screw hole 32c.
[0012]
When the support body 3 is fixed to the pedestal 2, as shown in FIG. 6, the pressing plate 6 is located at the first position with respect to the rotational direction, and the support body 3 with respect to the vertical position. Is positioned so that the distance L between the lower end surface of the base plate 2 and the upper surface of the pressing plate 6 is larger than the total thickness T of the base plate 21 and the decorative plate 22 of the pedestal 2. Then, the pressing plate 6 (and the fitting portion 32) is aligned with the mounting hole 25 so as to be in the same posture. Thereafter, the column body 3 is moved relatively close to the pedestal 2, and the pressing plate 6 is inserted into the mounting hole 25. When the column main body 3 is moved closer to the pedestal 2 until the lower end surface of the column main body 3 abuts on the upper surface of the pedestal 2, the lower end of the fitting portion 32 is fitted to the upper end of the mounting hole 25. Thereby, the column main body 3 is non-rotatably connected to the pedestal 2. In addition, when the lower end surface of the column body 3 abuts against the upper surface of the pedestal 2, the pressing plate 6 protrudes downward from the mounting hole 25 by a distance (LT). Therefore, the pressing plate 6 can be immediately rotated from the first position to the second position. When the pressing plate 6 is turned to the second position, the pressing plate 6 is pressed against the lower surface of the substrate 21 by turning the male screw member 5 in one direction. In this case, the male screw member 5 need only be rotated by an amount corresponding to the distance (LT), and the amount of rotation of the male screw member 5 can be reduced. By pressing the pressing plate 6 against the lower surface of the substrate 21, the column main body 3 is erected and fixed to the pedestal 2.
[0013]
When removing the support main body 3 from the pedestal 2, the male screw member 5 is turned in the other direction and loosened. In this case, the male screw member 5 need only be slightly rotated until the pressing plate 6 can be rotated. When the male screw member 5 is loosened, the pressing plate 6 is rotated from the second position to the first position. Then, since the posture of the pressing plate 6 matches the mounting hole 25, the pressing plate 6 can be inserted into the mounting hole 25. Then, the support body 3 is relatively moved so as to be separated from the pedestal 2, and the fitting portion 32 and the pressing plate 6 are sequentially extracted from the mounting holes 25. Thus, the support body 3 can be removed from the pedestal 2. By removing the column main body 3 from the pedestal 2, it is possible to reduce the occupied space when storing or transporting them, as compared with the case where the column main body 3 is stored or transported with the column main body 3 attached to the pedestal 2. . Moreover, since the male screw member 5 is prevented from falling out of the screw hole 32c by the stopper ring 52, it is possible to prevent the male screw member 5 and the pressing plate 6 from being detached from the support column body 3 and lost.
[0014]
In the column 1 having the above-described configuration, the fitting portion 32 is non-rotatably fitted into the mounting hole 25. Therefore, even if the male screw member 5 is slightly loosened, the column main body 3 rotates with respect to the pedestal 2. Can be reliably prevented.
[0015]
Next, another embodiment of the present invention will be described. In the following embodiments, only the configuration different from the above-described embodiment will be described, and the same components will be denoted by the same reference numerals and description thereof will be omitted.
[0016]
7 and 8 show a second embodiment of the present invention. In this embodiment, a locking recess 26 orthogonal to the mounting hole 25 is formed on the lower surface of the substrate 21. The locking concave portion 26 is formed so that the shape as viewed from below has substantially the same shape as the pressing plate 6. In addition, the locking recess 26 is arranged so that it can be fitted into the locking recess 26 when the pressing plate 6 is rotated to the second position. Therefore, when fixing the pillar main body 3 to the pedestal 2, the pressing plate 6 is inserted into the mounting hole 25 and the lower end of the fitting portion 32 is connected to the upper end of the mounting hole 25 in the same manner as in the above-described embodiment. After the fitting, the male screw member 5 is screwed upward into the screw hole 32c, and the pressing plate 6 is moved upward by the head 53. Then, the pressing plate 6 enters the locking recess 26. When the male screw member 5 is screwed in by the total length of the distance (LT) and the depth of the locking recess 26, the pressing plate 6 abuts against the bottom surface of the locking recess 26. As a result, the lower end surface of the column main body 3 is pressed against the upper surface of the pedestal 2, and the column main body 3 is erected and fixed to the pedestal 2.
[0017]
In the second embodiment having the above configuration, even if the male screw member 5 is slightly loosened, the pressing plate 6 is reliably prevented from rotating to the first position by the locking concave portion 26, and Maintained in position. Therefore, even if the male screw member 5 is loosened, it is possible to reliably prevent the pressing plate 6 from falling out of the mounting hole 25, thereby preventing the support body 3 from falling down.
[0018]
FIG. 9 shows a third embodiment of the present invention. In this embodiment, a pressing and fixing means 4 'is used in place of the pressing and fixing means 4 in the above embodiment. That is, in the fitting portion 32, instead of the screw hole 32c, an insertion hole 32d as a mere hole without a screw is formed. The shaft portion 54 of the connection shaft 5 'instead of the male screw member 5 is inserted through the insertion hole 32d so as to be movable in the up-down direction. A stopper ring (stopper portion) 55 for preventing the shaft portion 54 from falling out of the insertion hole 32d downward is fixed to the upper end of the shaft portion 54. A coil spring (biasing means) 7 for biasing the connecting shaft 5 'upward through the stopper ring 55 is provided between the stopper ring 55 and the lower surface 32b defining the housing space 32a. The central portion of the pressing plate 6 is externally inserted into the shaft portion 54 projecting downward from the insertion hole 32d. The pressing plate 6 is rotatable with respect to the shaft portion 54 and movable in the vertical direction. However, the pressing plate 6 may be fixed to the shaft portion 54 or may be formed integrally with the shaft portion 54. However, in such a case, in order to make the pressing plate 6 rotatable with respect to the fitting portion 32, the shaft portion 54 needs to be rotatably fitted into the insertion hole 32d. A head 56 is provided at the lower end of the shaft 54. When the head 56 abuts against the lower surface of the pressing plate 6, the pressing plate 6 is urged upward by the coil spring 7 via the connection shaft 5 ′ and pressed against the bottom surface of the locking recess 26. As a result, the lower end surface of the column main body 3 is pressed against the upper surface of the pedestal 2, and the column main body 3 is fixed upright on the pedestal 2.
[0019]
In the third embodiment, when removing the support body 3 from the pedestal 2, the connecting shaft 5 ′ is moved downward against the urging force of the coil spring 7. In this case, by hooking a hook portion formed at the upper end of a pull-down operation tool (not shown) in a hole 56a formed in the head portion 56, the connecting shaft 5 'can be easily moved downward. . When the connecting shaft 5 'is moved downward, the pressing plate 6 is moved downward by its own weight. When the pressing plate 6 comes out of the locking recess 26 downward, the pressing plate 6 is rotated from the second position to the first position. Next, the connecting shaft 5 'is moved upward by the coil spring 7. The connecting shaft 5 ′ moves upward until its head 56 abuts against the lower surface of the fitting portion 32. Thereafter, the support body 3 can be removed from the pedestal 2 by moving the support body 3 upward and extracting the fitting portion 32 and the pressing plate 6 from the mounting holes 25.
[0020]
When attaching the support body 3 to the pedestal 2, the pressing plate 6 is rotated to the first position, and is pressed against the lower surface of the fitting portion 32 by the urging force of the coil spring 7. Then, the pressing plate 6 and the fitting portion 32 are sequentially inserted into the mounting hole 25 from the upper end opening. When the lower end surface of the support body 3 abuts against the upper surface of the pedestal 2, the hook of the operating tool is hooked into the hole 56a and the operating tool is pulled down, whereby the connecting shaft 5 'is pulled down against the urging force of the coil spring 7. . Then, as the connecting shaft 5 'is lowered, the pressing plate 6 moves downward by its own weight. When the pressing plate 6 moves below the lower surface of the substrate 21, the pressing plate 6 is rotated to the second position, and faces the locking concave portion 26. Thereafter, the connecting shaft 5 is moved upward by the coil spring 7, and the pressing plate 6 abuts against the bottom surface of the locking concave portion 26. As a result, the lower end surface of the column main body 3 is abutted against the upper surface of the pedestal 2 by the urging force of the coil spring 7, and the column main body 3 is fixed to the pedestal 2.
[0021]
FIG. 10 shows a fourth embodiment of the present invention. In this embodiment, an elastic member 8 having elasticity in the axial direction of the male screw member 5 such as a spring washer is provided between the head 53 of the male screw member 5 and the pressing plate 6. This prevents the male screw member 5 from being loosened. The point that the elastic member 8 is provided between the head 53 and the pressing member 6 is desirably applied to the first and second embodiments.
[0022]
FIG. 11 shows a fifth embodiment of the present invention. In this embodiment, an insertion hole 32d is formed in the fitting portion 32 instead of the screw hole 32c. The leg portion 51 of the male screw member 5 penetrates through the insertion hole 32d from below to above. Further, the leg portion 51 is screwed into a screw hole 31a formed in the center of the support plate 31 with the axis line directed vertically, and further projects upward through the screw hole 31a. A stopper ring 52 that cannot pass through the screw hole 31a is provided at an upper end of the leg portion 51 protruding upward from the screw hole 31a.
[0023]
Note that the present invention is not limited to the above embodiment, and can be appropriately modified.
For example, in the above embodiment, the shape of the pressing plate 6 when viewed from above and below is the same as the shape of the fitting portion 32, but when the pressing plate 6 is turned to the first position. The fitting portion 32 can be inserted into the mounting hole 25 following the pressing plate 6 without rotating the column body 3, and when the fitting portion 32 is fitted into the mounting hole 25, the pressing plate 6 The shape of the pressing plate 6 when viewed in the up-down direction is different from that of the fitting portion 32 as long as the pressing plate 6 is configured to be unable to be inserted into the mounting hole 25 when the is rotated to the second position. It may be shaped.
[0024]
【The invention's effect】
As described above, according to the present invention, it is possible to obtain an effect that it is possible to reliably prevent a situation in which the column main body is rotated with respect to the pedestal.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a first embodiment of the present invention.
FIG. 2 is a bottom view of the embodiment.
FIG. 3 is an enlarged sectional view taken along line XX of FIG. 2;
FIG. 4 is a cross-sectional view of the pedestal according to the embodiment, taken along line YY of FIG. 2;
FIG. 5 is a perspective view showing a lower end portion of the column main body according to the embodiment.
FIG. 6 is a partially omitted cross-sectional view showing a state before mounting a support and a base.
FIG. 7 is a sectional view similar to FIG. 3, showing a second embodiment of the present invention.
FIG. 8 is a sectional view taken along line XX of FIG. 7;
FIG. 9 is a sectional view similar to FIG. 3, showing a third embodiment of the present invention.
FIG. 10 is a sectional view similar to FIG. 3, showing a fourth embodiment of the present invention.
FIG. 11 is a sectional view similar to FIG. 3, showing a fifth embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Support 2 Base 3 Support main body 4 Press fixing means 4 'Press fixing means 5 Male screw member 5' Connection shaft 6 Press plate (press member)
7. Coil spring (biasing means)
25 Mounting hole 26 Locking recess (locking portion)
31a screw hole 32 fitting part 32c screw hole 32d insertion hole 52 stopper ring (stopper part)
55 Stopper ring (stopper part)

Claims (7)

台座と、この台座の上面に立設固定された支柱本体とを備えた支柱において、
上記台座にこれを上下に貫通する断面非円形の取付孔が形成され、上記支柱本体の下端部に上記取付孔の上部に回動不能に嵌合する嵌合部が形成され、この嵌合部の下側に押圧部材が回動可能に、かつ上下方向へ移動可能に設けられ、上記嵌合部と上記押圧部材との間に、上記押圧部材を上記台座の下面に押し付け、それによって上記支柱本体の下端面を上記台座の上面に押し付けて上記支柱本体を上記台座の上面に押圧固定する押圧固定手段が設けられ、上記押圧部材が、第1の位置に回動させられたときには上記取付孔に挿通可能で、第2の位置に回動させられたときには上記取付孔に挿通不能であり、上記押圧固定手段が上記第2の位置に位置している上記押圧部材を上記台座の下面に押し付けることを特徴とする支柱。
In a support provided with a pedestal and a support main body erected and fixed on the upper surface of the pedestal,
A mounting hole having a non-circular cross-section is formed in the pedestal and vertically penetrates the mounting base, and a fitting portion is formed at a lower end portion of the support column body to be rotatably fitted to an upper portion of the mounting hole. A pressing member is provided on the lower side so as to be rotatable and movable in the vertical direction, and presses the pressing member against the lower surface of the pedestal between the fitting portion and the pressing member. Press fixing means for pressing the lower end surface of the main body against the upper surface of the pedestal to press and fix the support column main body to the upper surface of the pedestal is provided. When the pressing member is turned to the first position, the mounting hole is provided. And when pressed to the second position, cannot be inserted into the mounting hole, and the pressing and fixing means presses the pressing member located at the second position against the lower surface of the pedestal. A strut characterized by that.
上記押圧固定手段が、上記支柱本体の下端部に軸線を上下方向に向けて形成されたねじ孔と、上記押圧部材を回動可能に、かつ上下方向へ移動可能に貫通して上記ねじ孔にその下端部から螺合された雄ねじ部材とを有し、上記雄ねじ部材を上記ねじ孔に上方へ向かってねじ込むと、上記雄ねじ部材の頭部が上記押圧部材を上記台座の下面に押し付けることを特徴とする請求項1に記載の支柱。The pressing and fixing means penetrates a screw hole formed at a lower end portion of the support body with an axis directed vertically, and penetrates the pressing member rotatably and movably in the vertical direction to the screw hole. A male screw member screwed from the lower end thereof, wherein when the male screw member is screwed upward into the screw hole, the head of the male screw member presses the pressing member against the lower surface of the pedestal. The support according to claim 1, wherein: 上記ねじ孔から上方へ突出した上記雄ねじ部材の上端部に上記ねじ孔を通り抜け不能であるストッパ部が設けられていることを特徴とする請求項2に記載の支柱。The support according to claim 2, wherein a stopper portion that cannot pass through the screw hole is provided at an upper end portion of the male screw member that protrudes upward from the screw hole. 上記押圧固定手段が、上記押圧部材を上記嵌合部に対して回動可能に、かつ上下方向へ移動可能に連結する連結軸と、上記押圧部材を上記連結軸を介して上方へ付勢して上記台座の下面に押し付ける付勢手段とを有していることを特徴とする請求項1に記載の支柱。The pressing and fixing means urges the pressing member upward through the connecting shaft, and a connecting shaft for connecting the pressing member rotatably to the fitting portion and movably in the vertical direction. 2. The column according to claim 1, further comprising: urging means for pressing against a lower surface of the pedestal. 上記支柱本体の下端部には、上下方向に延びる挿通孔が形成され、上記連結軸が上記挿通孔に上下方向へ移動可能に挿通され、上記挿通孔から上方に突出した上記連結軸の上端部に上記挿通孔を通り抜け不能であるストッパ部が設けられていることを特徴とする請求項4に記載の支柱。An insertion hole extending vertically is formed at a lower end of the support body, and the connection shaft is inserted through the insertion hole movably in the vertical direction, and an upper end of the connection shaft protruding upward from the insertion hole. 5. The strut according to claim 4, further comprising a stopper portion that cannot pass through the insertion hole. 上記台座の下面に上記押圧部材を上記第2の回動位置に回動不能に係止する係止部が設けられていることを特徴とする請求項1〜5のいずれかに記載の支柱。The support according to any one of claims 1 to 5, wherein a locking portion for locking the pressing member at the second rotation position so as to be non-rotatable is provided on a lower surface of the pedestal. 上記係止部が、上記押圧部材が回動不能に嵌合する係止凹部であることを特徴とする請求項6に記載の支柱。The pillar according to claim 6, wherein the locking portion is a locking recess into which the pressing member is fitted so as not to rotate.
JP2002323532A 2002-11-07 2002-11-07 Prop Expired - Fee Related JP3944055B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010185177A (en) * 2009-02-10 2010-08-26 West Nippon Expressway Engineering Shikoku Co Ltd Marking body for road

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CN104763220B (en) * 2015-04-13 2017-04-05 张家港固耐特围栏***有限公司 A kind of locking integrated fence

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010185177A (en) * 2009-02-10 2010-08-26 West Nippon Expressway Engineering Shikoku Co Ltd Marking body for road

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